Fixes standard HTML errors for the selected text, such as invalid tags. Note
that clicking this button may change the layout of existing content. You can click
Undo to revert this action if you do not like the
results.

Shows or hides invisible elements in the article, such as collapsed table
borders.

Insert Special Character*

Inserts a special character (symbol) at the current cursor location. Click
the button to view a list of available characters. Point to a character to view
the name and HTML code. Click a character to insert it.

Insert/Edit Image

Inserts an image from the image library or an attachment. You can also add
images to the image library with this feature. To learn more, see Embedding Images in HTML Fields.

Insert/Edit Embedded Media

Embeds a video from the video library or an attachment. You can also add
videos to the video library with this feature.

Spell Checker

Checks the spelling of text in the HTML field.

Preview*

Opens a preview of the HTML field in a separate window without saving
changes.

Toggle Full Screen Mode*

Expands the HMTL field to use the full form view for easier editing. Click
the button again to return to standard form view. This feature is not available
for Internet Explorer.